579 lines
28 KiB
C++
579 lines
28 KiB
C++
/*************************************************************************/
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/* text_server.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef TEXT_SERVER_H
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#define TEXT_SERVER_H
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#include "core/object/ref_counted.h"
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#include "core/os/os.h"
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#include "core/templates/rid.h"
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#include "core/variant/native_ptr.h"
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#include "core/variant/variant.h"
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template <typename T>
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class TypedArray;
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struct Glyph;
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struct CaretInfo;
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class TextServer : public RefCounted {
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GDCLASS(TextServer, RefCounted);
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public:
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enum Direction {
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DIRECTION_AUTO,
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DIRECTION_LTR,
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DIRECTION_RTL
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};
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enum Orientation {
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ORIENTATION_HORIZONTAL,
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ORIENTATION_VERTICAL
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};
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enum JustificationFlag {
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JUSTIFICATION_NONE = 0,
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JUSTIFICATION_KASHIDA = 1 << 0,
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JUSTIFICATION_WORD_BOUND = 1 << 1,
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JUSTIFICATION_TRIM_EDGE_SPACES = 1 << 2,
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JUSTIFICATION_AFTER_LAST_TAB = 1 << 3,
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JUSTIFICATION_CONSTRAIN_ELLIPSIS = 1 << 4,
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};
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enum VisibleCharactersBehavior {
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VC_CHARS_BEFORE_SHAPING,
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VC_CHARS_AFTER_SHAPING,
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VC_GLYPHS_AUTO,
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VC_GLYPHS_LTR,
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VC_GLYPHS_RTL,
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};
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enum AutowrapMode {
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AUTOWRAP_OFF,
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AUTOWRAP_ARBITRARY,
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AUTOWRAP_WORD,
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AUTOWRAP_WORD_SMART
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};
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enum LineBreakFlag {
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BREAK_NONE = 0,
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BREAK_MANDATORY = 1 << 0,
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BREAK_WORD_BOUND = 1 << 1,
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BREAK_GRAPHEME_BOUND = 1 << 2,
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BREAK_ADAPTIVE = 1 << 3,
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};
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enum OverrunBehavior {
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OVERRUN_NO_TRIMMING,
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OVERRUN_TRIM_CHAR,
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OVERRUN_TRIM_WORD,
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OVERRUN_TRIM_ELLIPSIS,
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OVERRUN_TRIM_WORD_ELLIPSIS,
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};
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enum TextOverrunFlag {
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OVERRUN_NO_TRIM = 0,
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OVERRUN_TRIM = 1 << 0,
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OVERRUN_TRIM_WORD_ONLY = 1 << 1,
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OVERRUN_ADD_ELLIPSIS = 1 << 2,
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OVERRUN_ENFORCE_ELLIPSIS = 1 << 3,
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OVERRUN_JUSTIFICATION_AWARE = 1 << 4,
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};
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enum GraphemeFlag {
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GRAPHEME_IS_VALID = 1 << 0, // Glyph is valid.
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GRAPHEME_IS_RTL = 1 << 1, // Glyph is right-to-left.
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GRAPHEME_IS_VIRTUAL = 1 << 2, // Glyph is not part of source string (added by fit_to_width function, do not affect caret movement).
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GRAPHEME_IS_SPACE = 1 << 3, // Is whitespace (for justification and word breaks).
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GRAPHEME_IS_BREAK_HARD = 1 << 4, // Is line break (mandatory break, e.g. "\n").
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GRAPHEME_IS_BREAK_SOFT = 1 << 5, // Is line break (optional break, e.g. space).
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GRAPHEME_IS_TAB = 1 << 6, // Is tab or vertical tab.
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GRAPHEME_IS_ELONGATION = 1 << 7, // Elongation (e.g. kashida), glyph can be duplicated or truncated to fit line to width.
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GRAPHEME_IS_PUNCTUATION = 1 << 8, // Punctuation, except underscore (can be used as word break, but not line break or justifiction).
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GRAPHEME_IS_UNDERSCORE = 1 << 9, // Underscore (can be used as word break).
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GRAPHEME_IS_CONNECTED = 1 << 10, // Connected to previous grapheme.
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GRAPHEME_IS_SAFE_TO_INSERT_TATWEEL = 1 << 11, // It is safe to insert a U+0640 before this grapheme for elongation.
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};
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enum Hinting {
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HINTING_NONE,
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HINTING_LIGHT,
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HINTING_NORMAL
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};
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enum SubpixelPositioning {
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SUBPIXEL_POSITIONING_DISABLED = 0,
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SUBPIXEL_POSITIONING_AUTO = 1,
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SUBPIXEL_POSITIONING_ONE_HALF = 2,
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SUBPIXEL_POSITIONING_ONE_QUARTER = 3,
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SUBPIXEL_POSITIONING_ONE_HALF_MAX_SIZE = 20,
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SUBPIXEL_POSITIONING_ONE_QUARTER_MAX_SIZE = 16,
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};
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enum Feature {
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FEATURE_SIMPLE_LAYOUT = 1 << 0,
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FEATURE_BIDI_LAYOUT = 1 << 1,
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FEATURE_VERTICAL_LAYOUT = 1 << 2,
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FEATURE_SHAPING = 1 << 3,
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FEATURE_KASHIDA_JUSTIFICATION = 1 << 4,
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FEATURE_BREAK_ITERATORS = 1 << 5,
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FEATURE_FONT_BITMAP = 1 << 6,
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FEATURE_FONT_DYNAMIC = 1 << 7,
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FEATURE_FONT_MSDF = 1 << 8,
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FEATURE_FONT_SYSTEM = 1 << 9,
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FEATURE_FONT_VARIABLE = 1 << 10,
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FEATURE_CONTEXT_SENSITIVE_CASE_CONVERSION = 1 << 11,
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FEATURE_USE_SUPPORT_DATA = 1 << 12,
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FEATURE_UNICODE_IDENTIFIERS = 1 << 13,
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FEATURE_UNICODE_SECURITY = 1 << 14,
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};
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enum ContourPointTag {
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CONTOUR_CURVE_TAG_ON = 0x01,
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CONTOUR_CURVE_TAG_OFF_CONIC = 0x00,
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CONTOUR_CURVE_TAG_OFF_CUBIC = 0x02
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};
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enum SpacingType {
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SPACING_GLYPH,
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SPACING_SPACE,
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SPACING_TOP,
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SPACING_BOTTOM,
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SPACING_MAX,
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};
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enum FontStyle {
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FONT_BOLD = 1 << 0,
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FONT_ITALIC = 1 << 1,
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FONT_FIXED_WIDTH = 1 << 2,
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};
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enum StructuredTextParser {
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STRUCTURED_TEXT_DEFAULT,
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STRUCTURED_TEXT_URI,
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STRUCTURED_TEXT_FILE,
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STRUCTURED_TEXT_EMAIL,
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STRUCTURED_TEXT_LIST,
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STRUCTURED_TEXT_NONE,
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STRUCTURED_TEXT_CUSTOM
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};
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void _draw_hex_code_box_number(const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, uint8_t p_index, const Color &p_color) const;
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protected:
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HashMap<char32_t, char32_t> diacritics_map;
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void _diacritics_map_add(const String &p_from, char32_t p_to);
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void _init_diacritics_map();
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static void _bind_methods();
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public:
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virtual bool has_feature(Feature p_feature) const = 0;
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virtual String get_name() const = 0;
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virtual int64_t get_features() const = 0;
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virtual void free_rid(const RID &p_rid) = 0;
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virtual bool has(const RID &p_rid) = 0;
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virtual bool load_support_data(const String &p_filename) = 0;
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virtual String get_support_data_filename() const = 0;
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virtual String get_support_data_info() const = 0;
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virtual bool save_support_data(const String &p_filename) const = 0;
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virtual bool is_locale_right_to_left(const String &p_locale) const = 0;
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virtual int64_t name_to_tag(const String &p_name) const { return 0; };
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virtual String tag_to_name(int64_t p_tag) const { return ""; };
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/* Font interface */
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virtual RID create_font() = 0;
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virtual void font_set_data(const RID &p_font_rid, const PackedByteArray &p_data) = 0;
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virtual void font_set_data_ptr(const RID &p_font_rid, const uint8_t *p_data_ptr, int64_t p_data_size) = 0;
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virtual void font_set_face_index(const RID &p_font_rid, int64_t p_index) = 0;
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virtual int64_t font_get_face_index(const RID &p_font_rid) const = 0;
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virtual int64_t font_get_face_count(const RID &p_font_rid) const = 0;
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virtual void font_set_style(const RID &p_font_rid, BitField<FontStyle> p_style) = 0;
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virtual BitField<FontStyle> font_get_style(const RID &p_font_rid) const = 0;
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virtual void font_set_name(const RID &p_font_rid, const String &p_name) = 0;
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virtual String font_get_name(const RID &p_font_rid) const = 0;
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virtual void font_set_style_name(const RID &p_font_rid, const String &p_name) = 0;
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virtual String font_get_style_name(const RID &p_font_rid) const = 0;
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virtual void font_set_antialiased(const RID &p_font_rid, bool p_antialiased) = 0;
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virtual bool font_is_antialiased(const RID &p_font_rid) const = 0;
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virtual void font_set_generate_mipmaps(const RID &p_font_rid, bool p_generate_mipmaps) = 0;
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virtual bool font_get_generate_mipmaps(const RID &p_font_rid) const = 0;
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virtual void font_set_multichannel_signed_distance_field(const RID &p_font_rid, bool p_msdf) = 0;
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virtual bool font_is_multichannel_signed_distance_field(const RID &p_font_rid) const = 0;
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virtual void font_set_msdf_pixel_range(const RID &p_font_rid, int64_t p_msdf_pixel_range) = 0;
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virtual int64_t font_get_msdf_pixel_range(const RID &p_font_rid) const = 0;
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virtual void font_set_msdf_size(const RID &p_font_rid, int64_t p_msdf_size) = 0;
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virtual int64_t font_get_msdf_size(const RID &p_font_rid) const = 0;
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virtual void font_set_fixed_size(const RID &p_font_rid, int64_t p_fixed_size) = 0;
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virtual int64_t font_get_fixed_size(const RID &p_font_rid) const = 0;
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virtual void font_set_force_autohinter(const RID &p_font_rid, bool p_force_autohinter) = 0;
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virtual bool font_is_force_autohinter(const RID &p_font_rid) const = 0;
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virtual void font_set_hinting(const RID &p_font_rid, Hinting p_hinting) = 0;
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virtual Hinting font_get_hinting(const RID &p_font_rid) const = 0;
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virtual void font_set_subpixel_positioning(const RID &p_font_rid, SubpixelPositioning p_subpixel) = 0;
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virtual SubpixelPositioning font_get_subpixel_positioning(const RID &p_font_rid) const = 0;
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virtual void font_set_embolden(const RID &p_font_rid, double p_strength) = 0;
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virtual double font_get_embolden(const RID &p_font_rid) const = 0;
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virtual void font_set_transform(const RID &p_font_rid, const Transform2D &p_transform) = 0;
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virtual Transform2D font_get_transform(const RID &p_font_rid) const = 0;
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virtual void font_set_variation_coordinates(const RID &p_font_rid, const Dictionary &p_variation_coordinates) = 0;
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virtual Dictionary font_get_variation_coordinates(const RID &p_font_rid) const = 0;
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virtual void font_set_oversampling(const RID &p_font_rid, double p_oversampling) = 0;
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virtual double font_get_oversampling(const RID &p_font_rid) const = 0;
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virtual TypedArray<Vector2i> font_get_size_cache_list(const RID &p_font_rid) const = 0;
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virtual void font_clear_size_cache(const RID &p_font_rid) = 0;
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virtual void font_remove_size_cache(const RID &p_font_rid, const Vector2i &p_size) = 0;
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virtual void font_set_ascent(const RID &p_font_rid, int64_t p_size, double p_ascent) = 0;
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virtual double font_get_ascent(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_descent(const RID &p_font_rid, int64_t p_size, double p_descent) = 0;
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virtual double font_get_descent(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_underline_position(const RID &p_font_rid, int64_t p_size, double p_underline_position) = 0;
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virtual double font_get_underline_position(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_underline_thickness(const RID &p_font_rid, int64_t p_size, double p_underline_thickness) = 0;
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virtual double font_get_underline_thickness(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_set_scale(const RID &p_font_rid, int64_t p_size, double p_scale) = 0;
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virtual double font_get_scale(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual int64_t font_get_texture_count(const RID &p_font_rid, const Vector2i &p_size) const = 0;
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virtual void font_clear_textures(const RID &p_font_rid, const Vector2i &p_size) = 0;
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virtual void font_remove_texture(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) = 0;
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virtual void font_set_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const Ref<Image> &p_image) = 0;
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virtual Ref<Image> font_get_texture_image(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const = 0;
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virtual void font_set_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index, const PackedInt32Array &p_offset) = 0;
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virtual PackedInt32Array font_get_texture_offsets(const RID &p_font_rid, const Vector2i &p_size, int64_t p_texture_index) const = 0;
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virtual PackedInt32Array font_get_glyph_list(const RID &p_font_rid, const Vector2i &p_size) const = 0;
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virtual void font_clear_glyphs(const RID &p_font_rid, const Vector2i &p_size) = 0;
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virtual void font_remove_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) = 0;
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virtual Vector2 font_get_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_advance(const RID &p_font_rid, int64_t p_size, int64_t p_glyph, const Vector2 &p_advance) = 0;
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virtual Vector2 font_get_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_offset(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_offset) = 0;
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virtual Vector2 font_get_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Vector2 &p_gl_size) = 0;
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virtual Rect2 font_get_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_uv_rect(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, const Rect2 &p_uv_rect) = 0;
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virtual int64_t font_get_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual void font_set_glyph_texture_idx(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph, int64_t p_texture_idx) = 0;
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virtual RID font_get_glyph_texture_rid(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual Size2 font_get_glyph_texture_size(const RID &p_font_rid, const Vector2i &p_size, int64_t p_glyph) const = 0;
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virtual Dictionary font_get_glyph_contours(const RID &p_font, int64_t p_size, int64_t p_index) const = 0;
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virtual TypedArray<Vector2i> font_get_kerning_list(const RID &p_font_rid, int64_t p_size) const = 0;
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virtual void font_clear_kerning_map(const RID &p_font_rid, int64_t p_size) = 0;
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virtual void font_remove_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) = 0;
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virtual void font_set_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair, const Vector2 &p_kerning) = 0;
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virtual Vector2 font_get_kerning(const RID &p_font_rid, int64_t p_size, const Vector2i &p_glyph_pair) const = 0;
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virtual int64_t font_get_glyph_index(const RID &p_font_rid, int64_t p_size, int64_t p_char, int64_t p_variation_selector) const = 0;
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virtual bool font_has_char(const RID &p_font_rid, int64_t p_char) const = 0;
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virtual String font_get_supported_chars(const RID &p_font_rid) const = 0;
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virtual void font_render_range(const RID &p_font, const Vector2i &p_size, int64_t p_start, int64_t p_end) = 0;
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virtual void font_render_glyph(const RID &p_font_rid, const Vector2i &p_size, int64_t p_index) = 0;
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virtual void font_draw_glyph(const RID &p_font, const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const = 0;
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virtual void font_draw_glyph_outline(const RID &p_font, const RID &p_canvas, int64_t p_size, int64_t p_outline_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color = Color(1, 1, 1)) const = 0;
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virtual bool font_is_language_supported(const RID &p_font_rid, const String &p_language) const = 0;
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virtual void font_set_language_support_override(const RID &p_font_rid, const String &p_language, bool p_supported) = 0;
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virtual bool font_get_language_support_override(const RID &p_font_rid, const String &p_language) = 0;
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virtual void font_remove_language_support_override(const RID &p_font_rid, const String &p_language) = 0;
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virtual PackedStringArray font_get_language_support_overrides(const RID &p_font_rid) = 0;
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virtual bool font_is_script_supported(const RID &p_font_rid, const String &p_script) const = 0;
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virtual void font_set_script_support_override(const RID &p_font_rid, const String &p_script, bool p_supported) = 0;
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virtual bool font_get_script_support_override(const RID &p_font_rid, const String &p_script) = 0;
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virtual void font_remove_script_support_override(const RID &p_font_rid, const String &p_script) = 0;
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virtual PackedStringArray font_get_script_support_overrides(const RID &p_font_rid) = 0;
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virtual void font_set_opentype_feature_overrides(const RID &p_font_rid, const Dictionary &p_overrides) = 0;
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virtual Dictionary font_get_opentype_feature_overrides(const RID &p_font_rid) const = 0;
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virtual Dictionary font_supported_feature_list(const RID &p_font_rid) const = 0;
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virtual Dictionary font_supported_variation_list(const RID &p_font_rid) const = 0;
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virtual double font_get_global_oversampling() const = 0;
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virtual void font_set_global_oversampling(double p_oversampling) = 0;
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virtual Vector2 get_hex_code_box_size(int64_t p_size, int64_t p_index) const;
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virtual void draw_hex_code_box(const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color) const;
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/* Shaped text buffer interface */
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virtual RID create_shaped_text(Direction p_direction = DIRECTION_AUTO, Orientation p_orientation = ORIENTATION_HORIZONTAL) = 0;
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virtual void shaped_text_clear(const RID &p_shaped) = 0;
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virtual void shaped_text_set_direction(const RID &p_shaped, Direction p_direction = DIRECTION_AUTO) = 0;
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virtual Direction shaped_text_get_direction(const RID &p_shaped) const = 0;
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virtual Direction shaped_text_get_inferred_direction(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_bidi_override(const RID &p_shaped, const Array &p_override) = 0;
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virtual void shaped_text_set_custom_punctuation(const RID &p_shaped, const String &p_punct) = 0;
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virtual String shaped_text_get_custom_punctuation(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_orientation(const RID &p_shaped, Orientation p_orientation = ORIENTATION_HORIZONTAL) = 0;
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virtual Orientation shaped_text_get_orientation(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_preserve_invalid(const RID &p_shaped, bool p_enabled) = 0;
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virtual bool shaped_text_get_preserve_invalid(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_preserve_control(const RID &p_shaped, bool p_enabled) = 0;
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virtual bool shaped_text_get_preserve_control(const RID &p_shaped) const = 0;
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virtual void shaped_text_set_spacing(const RID &p_shaped, SpacingType p_spacing, int64_t p_value) = 0;
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virtual int64_t shaped_text_get_spacing(const RID &p_shaped, SpacingType p_spacing) const = 0;
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virtual bool shaped_text_add_string(const RID &p_shaped, const String &p_text, const Array &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary(), const String &p_language = "", const Variant &p_meta = Variant()) = 0;
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virtual bool shaped_text_add_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align = INLINE_ALIGNMENT_CENTER, int64_t p_length = 1) = 0;
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virtual bool shaped_text_resize_object(const RID &p_shaped, const Variant &p_key, const Size2 &p_size, InlineAlignment p_inline_align = INLINE_ALIGNMENT_CENTER) = 0;
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virtual int64_t shaped_get_span_count(const RID &p_shaped) const = 0;
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virtual Variant shaped_get_span_meta(const RID &p_shaped, int64_t p_index) const = 0;
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virtual void shaped_set_span_update_font(const RID &p_shaped, int64_t p_index, const Array &p_fonts, int64_t p_size, const Dictionary &p_opentype_features = Dictionary()) = 0;
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virtual RID shaped_text_substr(const RID &p_shaped, int64_t p_start, int64_t p_length) const = 0; // Copy shaped substring (e.g. line break) without reshaping, but correctly reordered, preservers range.
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virtual RID shaped_text_get_parent(const RID &p_shaped) const = 0;
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virtual double shaped_text_fit_to_width(const RID &p_shaped, double p_width, BitField<TextServer::JustificationFlag> p_jst_flags = JUSTIFICATION_WORD_BOUND | JUSTIFICATION_KASHIDA) = 0;
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virtual double shaped_text_tab_align(const RID &p_shaped, const PackedFloat32Array &p_tab_stops) = 0;
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virtual bool shaped_text_shape(const RID &p_shaped) = 0;
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virtual bool shaped_text_update_breaks(const RID &p_shaped) = 0;
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virtual bool shaped_text_update_justification_ops(const RID &p_shaped) = 0;
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virtual bool shaped_text_is_ready(const RID &p_shaped) const = 0;
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virtual const Glyph *shaped_text_get_glyphs(const RID &p_shaped) const = 0;
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Array _shaped_text_get_glyphs_wrapper(const RID &p_shaped) const;
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virtual const Glyph *shaped_text_sort_logical(const RID &p_shaped) = 0;
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Array _shaped_text_sort_logical_wrapper(const RID &p_shaped);
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virtual int64_t shaped_text_get_glyph_count(const RID &p_shaped) const = 0;
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virtual Vector2i shaped_text_get_range(const RID &p_shaped) const = 0;
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virtual PackedInt32Array shaped_text_get_line_breaks_adv(const RID &p_shaped, const PackedFloat32Array &p_width, int64_t p_start = 0, bool p_once = true, BitField<TextServer::LineBreakFlag> p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
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virtual PackedInt32Array shaped_text_get_line_breaks(const RID &p_shaped, double p_width, int64_t p_start = 0, BitField<TextServer::LineBreakFlag> p_break_flags = BREAK_MANDATORY | BREAK_WORD_BOUND) const;
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virtual PackedInt32Array shaped_text_get_word_breaks(const RID &p_shaped, BitField<TextServer::GraphemeFlag> p_grapheme_flags = GRAPHEME_IS_SPACE | GRAPHEME_IS_PUNCTUATION) const;
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virtual int64_t shaped_text_get_trim_pos(const RID &p_shaped) const = 0;
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virtual int64_t shaped_text_get_ellipsis_pos(const RID &p_shaped) const = 0;
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virtual const Glyph *shaped_text_get_ellipsis_glyphs(const RID &p_shaped) const = 0;
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Array _shaped_text_get_ellipsis_glyphs_wrapper(const RID &p_shaped) const;
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virtual int64_t shaped_text_get_ellipsis_glyph_count(const RID &p_shaped) const = 0;
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virtual void shaped_text_overrun_trim_to_width(const RID &p_shaped, double p_width, BitField<TextServer::TextOverrunFlag> p_trim_flags) = 0;
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virtual Array shaped_text_get_objects(const RID &p_shaped) const = 0;
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virtual Rect2 shaped_text_get_object_rect(const RID &p_shaped, const Variant &p_key) const = 0;
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virtual Size2 shaped_text_get_size(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_ascent(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_descent(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_width(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_underline_position(const RID &p_shaped) const = 0;
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virtual double shaped_text_get_underline_thickness(const RID &p_shaped) const = 0;
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virtual Direction shaped_text_get_dominant_direction_in_range(const RID &p_shaped, int64_t p_start, int64_t p_end) const;
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virtual CaretInfo shaped_text_get_carets(const RID &p_shaped, int64_t p_position) const;
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Dictionary _shaped_text_get_carets_wrapper(const RID &p_shaped, int64_t p_position) const;
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virtual Vector<Vector2> shaped_text_get_selection(const RID &p_shaped, int64_t p_start, int64_t p_end) const;
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virtual int64_t shaped_text_hit_test_grapheme(const RID &p_shaped, double p_coords) const; // Return grapheme index.
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virtual int64_t shaped_text_hit_test_position(const RID &p_shaped, double p_coords) const; // Return caret/selection position.
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virtual Vector2 shaped_text_get_grapheme_bounds(const RID &p_shaped, int64_t p_pos) const;
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virtual int64_t shaped_text_next_grapheme_pos(const RID &p_shaped, int64_t p_pos) const;
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virtual int64_t shaped_text_prev_grapheme_pos(const RID &p_shaped, int64_t p_pos) const;
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// The pen position is always placed on the baseline and moveing left to right.
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virtual void shaped_text_draw(const RID &p_shaped, const RID &p_canvas, const Vector2 &p_pos, double p_clip_l = -1.0, double p_clip_r = -1.0, const Color &p_color = Color(1, 1, 1)) const;
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virtual void shaped_text_draw_outline(const RID &p_shaped, const RID &p_canvas, const Vector2 &p_pos, double p_clip_l = -1.0, double p_clip_r = -1.0, int64_t p_outline_size = 1, const Color &p_color = Color(1, 1, 1)) const;
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// Number conversion.
|
|
virtual String format_number(const String &p_string, const String &p_language = "") const = 0;
|
|
virtual String parse_number(const String &p_string, const String &p_language = "") const = 0;
|
|
virtual String percent_sign(const String &p_language = "") const = 0;
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// String functions.
|
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virtual PackedInt32Array string_get_word_breaks(const String &p_string, const String &p_language = "") const = 0;
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virtual int is_confusable(const String &p_string, const PackedStringArray &p_dict) const { return -1; };
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virtual bool spoof_check(const String &p_string) const { return false; };
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|
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virtual String strip_diacritics(const String &p_string) const;
|
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virtual bool is_valid_identifier(const String &p_string) const;
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|
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// Other string operations.
|
|
virtual String string_to_upper(const String &p_string, const String &p_language = "") const = 0;
|
|
virtual String string_to_lower(const String &p_string, const String &p_language = "") const = 0;
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|
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TypedArray<Vector2i> parse_structured_text(StructuredTextParser p_parser_type, const Array &p_args, const String &p_text) const;
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|
|
TextServer();
|
|
~TextServer();
|
|
};
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|
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/*************************************************************************/
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|
|
|
struct Glyph {
|
|
int start = -1; // Start offset in the source string.
|
|
int end = -1; // End offset in the source string.
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|
|
uint8_t count = 0; // Number of glyphs in the grapheme, set in the first glyph only.
|
|
uint8_t repeat = 1; // Draw multiple times in the row.
|
|
uint16_t flags = 0; // Grapheme flags (valid, rtl, virtual), set in the first glyph only.
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|
|
float x_off = 0.f; // Offset from the origin of the glyph on baseline.
|
|
float y_off = 0.f;
|
|
float advance = 0.f; // Advance to the next glyph along baseline(x for horizontal layout, y for vertical).
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|
|
RID font_rid; // Font resource.
|
|
int font_size = 0; // Font size;
|
|
int32_t index = 0; // Glyph index (font specific) or UTF-32 codepoint (for the invalid glyphs).
|
|
|
|
bool operator==(const Glyph &p_a) const;
|
|
bool operator!=(const Glyph &p_a) const;
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|
|
bool operator<(const Glyph &p_a) const;
|
|
bool operator>(const Glyph &p_a) const;
|
|
};
|
|
|
|
struct CaretInfo {
|
|
Rect2 l_caret;
|
|
Rect2 t_caret;
|
|
TextServer::Direction l_dir;
|
|
TextServer::Direction t_dir;
|
|
};
|
|
|
|
/*************************************************************************/
|
|
|
|
class TextServerManager : public Object {
|
|
GDCLASS(TextServerManager, Object);
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|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
private:
|
|
static TextServerManager *singleton;
|
|
|
|
Ref<TextServer> primary_interface;
|
|
Vector<Ref<TextServer>> interfaces;
|
|
|
|
public:
|
|
_FORCE_INLINE_ static TextServerManager *get_singleton() {
|
|
return singleton;
|
|
}
|
|
|
|
void add_interface(const Ref<TextServer> &p_interface);
|
|
void remove_interface(const Ref<TextServer> &p_interface);
|
|
int get_interface_count() const;
|
|
Ref<TextServer> get_interface(int p_index) const;
|
|
Ref<TextServer> find_interface(const String &p_name) const;
|
|
Array get_interfaces() const;
|
|
|
|
_FORCE_INLINE_ Ref<TextServer> get_primary_interface() const {
|
|
return primary_interface;
|
|
}
|
|
void set_primary_interface(const Ref<TextServer> &p_primary_interface);
|
|
|
|
TextServerManager();
|
|
~TextServerManager();
|
|
};
|
|
|
|
/*************************************************************************/
|
|
|
|
#define TS TextServerManager::get_singleton()->get_primary_interface()
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|
|
|
VARIANT_ENUM_CAST(TextServer::VisibleCharactersBehavior);
|
|
VARIANT_ENUM_CAST(TextServer::AutowrapMode);
|
|
VARIANT_ENUM_CAST(TextServer::OverrunBehavior);
|
|
VARIANT_ENUM_CAST(TextServer::Direction);
|
|
VARIANT_ENUM_CAST(TextServer::Orientation);
|
|
VARIANT_BITFIELD_CAST(TextServer::JustificationFlag);
|
|
VARIANT_BITFIELD_CAST(TextServer::LineBreakFlag);
|
|
VARIANT_BITFIELD_CAST(TextServer::TextOverrunFlag);
|
|
VARIANT_BITFIELD_CAST(TextServer::GraphemeFlag);
|
|
VARIANT_ENUM_CAST(TextServer::Hinting);
|
|
VARIANT_ENUM_CAST(TextServer::SubpixelPositioning);
|
|
VARIANT_ENUM_CAST(TextServer::Feature);
|
|
VARIANT_ENUM_CAST(TextServer::ContourPointTag);
|
|
VARIANT_ENUM_CAST(TextServer::SpacingType);
|
|
VARIANT_BITFIELD_CAST(TextServer::FontStyle);
|
|
VARIANT_ENUM_CAST(TextServer::StructuredTextParser);
|
|
|
|
GDVIRTUAL_NATIVE_PTR(Glyph);
|
|
GDVIRTUAL_NATIVE_PTR(CaretInfo);
|
|
|
|
#endif // TEXT_SERVER_H
|